Software company Epic Systems has created one of the strangest and largest workplaces of all time.

Legend has it thieves once stashed their treasures in this crater in the Mexican desert.

Resting in the middle of an Austrian river, this sci-fi "island" lets people cross in neon style.

Created as a coal reserve, it is today a natural park with stunning wildflowers, ancient marine fossils, and remnants of a 19th century mine.

Once America's tallest structure, now a Baltimore landmark.

This state park was once an important Native American cermonial center.

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

A temple to modernity, tucked away amid Barcelona's more well known museums.

At Ghana's largest wildlife refuge you feel like you're right in the animals' backyard.

These beautiful objects represent beautiful ideas.

This cluster of little wooden huts once ground local farmers’ wheat into flour during the days of the Austro-Hungarian Empire.

In a strange timezone anomaly, Daylight Saving Time here sets the clocks forward just 30 minutes.

A partially hidden wall graffitied by spectators of the 1976 Bicentennial, recently rediscovered.

A striking public sculpture representing the period of martial law in Communist Poland.

This 3,800-year-old site contains markers used to study the movement of the sun and moon and create a lunar calendar.

Ancient human remains unearthed around the iconic monument.

This network of tunnels housed an entire village for years, and even had a hall for screening movies.

An underwater road considered a possible Atlantis location.

Dramatic sea stacks adorn the coast of this small village on the Adriatic coast.

This beautifully designed star-shaped fort was the premier defense system of the late 1500s.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

The site of the climactic scene from the classic horror film is now a historic landmark.

An ancient necropolis of magnificent tombs.

This frequently-photographed waterfall takes only a short hike to visit.